collaborators

10 papers

cs.LG2025

Mixture Experts with Test-Time Self-Supervised Aggregation for Tabular Imbalanced Regression

Yung-Chien Wang, Kuang-Da Wang, Wei-Yao Wang +1

Tabular data serve as a fundamental and ubiquitous representation of structured information in numerous real-world applications, e.g., finance and urban planning. In the realm of t…

cs.LG2025

EXPRESS: An LLM-Generated Explainable Property Valuation System with Neighbor Imputation

Wei-Wei Du, Yung-Chien Wang, Wen-Chih Peng

The demand for property valuation has attracted significant attention from sellers, buyers, and customers applying for loans. Reviews of existing approaches have revealed shortcomi…

cs.LG2024

APAR: Modeling Irregular Target Functions in Tabular Regression via Arithmetic-Aware Pre-Training and Adaptive-Regularized Fine-Tuning

Hong-Wei Wu, Wei-Yao Wang, Kuang-Da Wang +1

Tabular data are fundamental in common machine learning applications, ranging from finance to genomics and healthcare. This paper focuses on tabular regression tasks, a field where…

cs.LG2024

Self-Supervised Learning of Disentangled Representations for Multivariate Time-Series

Ching Chang, Chiao-Tung Chan, Wei-Yao Wang +2

Multivariate time-series data in fields like healthcare and industry are informative but challenging due to high dimensionality and lack of labels. Recent self-supervised learning…

cs.LG2024

A Survey on Self-Supervised Learning for Non-Sequential Tabular Data

Wei-Yao Wang, Wei-Wei Du, Derek Xu +2

Self-supervised learning (SSL) has been incorporated into many state-of-the-art models in various domains, where SSL defines pretext tasks based on unlabeled datasets to learn cont…

cs.AI2024

Offline Imitation of Badminton Player Behavior via Experiential Contexts and Brownian Motion

Kuang-Da Wang, Wei-Yao Wang, Ping-Chun Hsieh +1

In the dynamic and rapid tactic involvements of turn-based sports, badminton stands out as an intrinsic paradigm that requires alter-dependent decision-making of players. While the…